Home / 82,728.96-114,160.23-46,919.40

Finding the Fourth Proportional to 82,728.96, 114,160.23 and 46,919.40

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Solution

The fourth proportional to 82,728.96, 114,160.23 and 46,919.40 is: 64,745.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,728.96 : 114,160.23 = 46,919.40 : x
  2. Step 2: Convert to fraction form
    82,728.96/114,160.23 = 46,919.40/x
  3. Step 3: Cross multiply
    82,728.96x = 114,160.23 × 46,919.40
  4. Step 4: Simplify right side
    82,728.96x = 5,356,329,495.46
  5. Step 5: Solve for x
    x = 5,356,329,495.46/82,728.96
  6. Step 6: Final answer
    x = 64,745.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.